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What to do if javascript is not displayed in the browser

PHPz
Release： 2023-04-24 16:17:35
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JavaScript is an indispensable technology in modern web development. You can do many interesting things in web pages, such as dynamically changing page content, responding to user events, interacting with data from the server, and so on. However, sometimes we encounter such a problem: when running JavaScript code in the browser, nothing happens at all, not even an error message. How should we solve this situation?

The following are some common situations and solutions.

  1. JavaScript files must be introduced in HTML files
    When writing HTML files, if you want to use JavaScript scripts, you must use the
      
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In the above code, the test.js file is introduced through the src attribute of the

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